A372801 - cp's OEIS frontend

A372801 Order of 16 modulo the n-th prime: least k such that prime(n) divides 16^k-1.

n	a(n)
2	1
3	1
4	3
5	5
6	3
7	2
8	9
9	11
10	7
11	5
12	9
13	5
14	7
15	23
16	13
17	29
18	15
19	33
20	35
21	9
22	39
23	41
24	11
25	12
26	25
27	51
28	53
29	9
30	7
31	7
32	65
33	17
34	69
35	37
36	15
37	13
38	81
39	83
40	43
41	89
42	45
43	95
44	24
45	49
46	99
47	105
48	37
49	113
50	19
51	29
52	119
53	6
54	25
55	4
56	131
57	67
58	135
59	23
60	35
61	47
62	73
63	51
64	155
65	39
66	79
67	15
68	21
69	173
70	87
71	22
72	179

[1, 1, 3, 5, 3, 2, 9, 11, 7, 5, 9, 5, 7, 23, 13, 29, 15, 33, 35, 9, 39, 41, 11, 12, 25, 51, 53, 9, 7, 7, 65, 17, 69, 37, 15, 13, 81, 83, 43, 89, 45, 95, 24, 49, 99, 105, 37, 113, 19, 29, 119, 6, 25, 4, 131, 67, 135, 23, 35, 47, 73, 51, 155, 39, 79, 15, 21, 173, 87, 22, 179]

cp's OEIS Frontend

A372801 Order of 16 modulo the n-th prime: least k such that prime(n) divides 16^k-1.

Table of values

List of values

n	a(n)
2	1
3	1
4	3
5	5
6	3
7	2
8	9
9	11
10	7
11	5
12	9
13	5
14	7
15	23
16	13
17	29
18	15
19	33
20	35
21	9
22	39
23	41
24	11
25	12
26	25
27	51
28	53
29	9
30	7
31	7
32	65
33	17
34	69
35	37
36	15
37	13
38	81
39	83
40	43
41	89
42	45
43	95
44	24
45	49
46	99
47	105
48	37
49	113
50	19
51	29
52	119
53	6
54	25
55	4
56	131
57	67
58	135
59	23
60	35
61	47
62	73
63	51
64	155
65	39
66	79
67	15
68	21
69	173
70	87
71	22
72	179

n	a(n)
2	1
3	1
4	3
5	5
6	3
7	2
8	9
9	11
10	7
11	5
12	9
13	5
14	7
15	23
16	13
17	29
18	15
19	33
20	35
21	9
22	39
23	41
24	11
25	12
26	25
27	51
28	53
29	9
30	7
31	7
32	65
33	17
34	69
35	37
36	15
37	13
38	81
39	83
40	43
41	89
42	45
43	95
44	24
45	49
46	99
47	105
48	37
49	113
50	19
51	29
52	119
53	6
54	25
55	4
56	131
57	67
58	135
59	23
60	35
61	47
62	73
63	51
64	155
65	39
66	79
67	15
68	21
69	173
70	87
71	22
72	179

n	a(n)
2	1
3	1
4	3
5	5
6	3
7	2
8	9
9	11
10	7
11	5
12	9
13	5
14	7
15	23
16	13
17	29
18	15
19	33
20	35
21	9
22	39
23	41
24	11
25	12
26	25
27	51
28	53
29	9
30	7
31	7
32	65
33	17
34	69
35	37
36	15
37	13
38	81
39	83
40	43
41	89
42	45
43	95
44	24
45	49
46	99
47	105
48	37
49	113
50	19
51	29
52	119
53	6
54	25
55	4
56	131
57	67
58	135
59	23
60	35
61	47
62	73
63	51
64	155
65	39
66	79
67	15
68	21
69	173
70	87
71	22
72	179